// Inheritance using constructor functions

function BaseFunction() {}
function DerivedFunction() {}

// set prototypal inheritance chain
Object.setPrototypeOf(DerivedFunction.prototype, BaseFunction.prototype)

let f = new DerivedFunction()
console.log(f)
console.log(f.__proto__)
console.log(f.__proto__.__proto__)
console.log(f.__proto__.__proto__.__proto__)